ebiten: add KeyF13 to KeyF24

Closes #2801

genkeys.go

@@ -418,15 +418,25 @@ func init() {
 		uiKeyNameToJSKey[string(c)] = "Key" + string(c)
 	}
 	// Function keys
-	for i := 1; i <= 12; i++ {
+	for i := 1; i <= 24; i++ {
 		name := "F" + strconv.Itoa(i)
 		glfwKeyNameToGLFWKey[name] = glfwKeyF1 + i - 1
 		uiKeyNameToGLFWKeyName[name] = name
+		// Android doesn't support F13 and more as constants of KeyEvent:
+		// https://developer.android.com/reference/android/view/KeyEvent
+		//
+		// Note that F13 might be avilable if HID devices are available directly:
+		// https://source.android.com/docs/core/interaction/input/keyboard-devices
+		if i <= 12 {
 			androidKeyToUIKeyName[131+i-1] = name
-		// Note: iOS keys go up to F24 (with F13 being 0x68 and increasing from there),
+		}
-		// but Ebitengine currently only goes to F12.
+		if i <= 12 {
 			iosKeyToUIKeyName[0x3A+i-1] = name
 			gbuildKeyToUIKeyName[key.CodeF1+key.Code(i)-1] = name
+		} else {
+			iosKeyToUIKeyName[0x68+i-13] = name
+			gbuildKeyToUIKeyName[key.CodeF13+key.Code(i)-13] = name
+		}
 		uiKeyNameToJSKey[name] = name
 	}
 	// Numpad

internal/glfw/keys.go

@@ -50,7 +50,19 @@ const (
 	KeyF10          = Key(299)
 	KeyF11          = Key(300)
 	KeyF12          = Key(301)
+	KeyF13          = Key(302)
+	KeyF14          = Key(303)
+	KeyF15          = Key(304)
+	KeyF16          = Key(305)
+	KeyF17          = Key(306)
+	KeyF18          = Key(307)
+	KeyF19          = Key(308)
 	KeyF2           = Key(291)
+	KeyF20          = Key(309)
+	KeyF21          = Key(310)
+	KeyF22          = Key(311)
+	KeyF23          = Key(312)
+	KeyF24          = Key(313)
 	KeyF3           = Key(292)
 	KeyF4           = Key(293)
 	KeyF5           = Key(294)

internal/ui/keys.go

@@ -92,6 +92,18 @@ const (
 	KeyF10
 	KeyF11
 	KeyF12
+	KeyF13
+	KeyF14
+	KeyF15
+	KeyF16
+	KeyF17
+	KeyF18
+	KeyF19
+	KeyF20
+	KeyF21
+	KeyF22
+	KeyF23
+	KeyF24
 	KeyHome
 	KeyInsert
 	KeyMetaLeft
@@ -275,6 +287,30 @@ func (k Key) String() string {
 		return "KeyF11"
 	case KeyF12:
 		return "KeyF12"
+	case KeyF13:
+		return "KeyF13"
+	case KeyF14:
+		return "KeyF14"
+	case KeyF15:
+		return "KeyF15"
+	case KeyF16:
+		return "KeyF16"
+	case KeyF17:
+		return "KeyF17"
+	case KeyF18:
+		return "KeyF18"
+	case KeyF19:
+		return "KeyF19"
+	case KeyF20:
+		return "KeyF20"
+	case KeyF21:
+		return "KeyF21"
+	case KeyF22:
+		return "KeyF22"
+	case KeyF23:
+		return "KeyF23"
+	case KeyF24:
+		return "KeyF24"
 	case KeyHome:
 		return "KeyHome"
 	case KeyInsert:

internal/ui/keys_glfw.go

@@ -64,7 +64,19 @@ var uiKeyToGLFWKey = map[Key]glfw.Key{
 	KeyF10:            glfw.KeyF10,
 	KeyF11:            glfw.KeyF11,
 	KeyF12:            glfw.KeyF12,
+	KeyF13:            glfw.KeyF13,
+	KeyF14:            glfw.KeyF14,
+	KeyF15:            glfw.KeyF15,
+	KeyF16:            glfw.KeyF16,
+	KeyF17:            glfw.KeyF17,
+	KeyF18:            glfw.KeyF18,
+	KeyF19:            glfw.KeyF19,
 	KeyF2:             glfw.KeyF2,
+	KeyF20:            glfw.KeyF20,
+	KeyF21:            glfw.KeyF21,
+	KeyF22:            glfw.KeyF22,
+	KeyF23:            glfw.KeyF23,
+	KeyF24:            glfw.KeyF24,
 	KeyF3:             glfw.KeyF3,
 	KeyF4:             glfw.KeyF4,
 	KeyF5:             glfw.KeyF5,

internal/ui/keys_js.go

@@ -62,7 +62,19 @@ var uiKeyToJSKey = map[Key]js.Value{
 	KeyF10:            js.ValueOf("F10"),
 	KeyF11:            js.ValueOf("F11"),
 	KeyF12:            js.ValueOf("F12"),
+	KeyF13:            js.ValueOf("F13"),
+	KeyF14:            js.ValueOf("F14"),
+	KeyF15:            js.ValueOf("F15"),
+	KeyF16:            js.ValueOf("F16"),
+	KeyF17:            js.ValueOf("F17"),
+	KeyF18:            js.ValueOf("F18"),
+	KeyF19:            js.ValueOf("F19"),
 	KeyF2:             js.ValueOf("F2"),
+	KeyF20:            js.ValueOf("F20"),
+	KeyF21:            js.ValueOf("F21"),
+	KeyF22:            js.ValueOf("F22"),
+	KeyF23:            js.ValueOf("F23"),
+	KeyF24:            js.ValueOf("F24"),
 	KeyF3:             js.ValueOf("F3"),
 	KeyF4:             js.ValueOf("F4"),
 	KeyF5:             js.ValueOf("F5"),

internal/ui/keys_mobile.go

@@ -117,6 +117,18 @@ var gbuildKeyToUIKey = map[key.Code]Key{
 	key.CodeKeypad0:            KeyNumpad0,
 	key.CodeKeypadFullStop:     KeyNumpadDecimal,
 	key.CodeKeypadEqualSign:    KeyNumpadEqual,
+	key.CodeF13:                KeyF13,
+	key.CodeF14:                KeyF14,
+	key.CodeF15:                KeyF15,
+	key.CodeF16:                KeyF16,
+	key.CodeF17:                KeyF17,
+	key.CodeF18:                KeyF18,
+	key.CodeF19:                KeyF19,
+	key.CodeF20:                KeyF20,
+	key.CodeF21:                KeyF21,
+	key.CodeF22:                KeyF22,
+	key.CodeF23:                KeyF23,
+	key.CodeF24:                KeyF24,
 	key.CodeLeftControl:        KeyControlLeft,
 	key.CodeLeftShift:          KeyShiftLeft,
 	key.CodeLeftAlt:            KeyAltLeft,

keys.go

@@ -99,6 +99,18 @@ const (
 	KeyF10            Key = Key(ui.KeyF10)
 	KeyF11            Key = Key(ui.KeyF11)
 	KeyF12            Key = Key(ui.KeyF12)
+	KeyF13            Key = Key(ui.KeyF13)
+	KeyF14            Key = Key(ui.KeyF14)
+	KeyF15            Key = Key(ui.KeyF15)
+	KeyF16            Key = Key(ui.KeyF16)
+	KeyF17            Key = Key(ui.KeyF17)
+	KeyF18            Key = Key(ui.KeyF18)
+	KeyF19            Key = Key(ui.KeyF19)
+	KeyF20            Key = Key(ui.KeyF20)
+	KeyF21            Key = Key(ui.KeyF21)
+	KeyF22            Key = Key(ui.KeyF22)
+	KeyF23            Key = Key(ui.KeyF23)
+	KeyF24            Key = Key(ui.KeyF24)
 	KeyHome           Key = Key(ui.KeyHome)
 	KeyInsert         Key = Key(ui.KeyInsert)
 	KeyMetaLeft       Key = Key(ui.KeyMetaLeft)
@@ -325,6 +337,30 @@ func (k Key) isValid() bool {
 		return true
 	case KeyF12:
 		return true
+	case KeyF13:
+		return true
+	case KeyF14:
+		return true
+	case KeyF15:
+		return true
+	case KeyF16:
+		return true
+	case KeyF17:
+		return true
+	case KeyF18:
+		return true
+	case KeyF19:
+		return true
+	case KeyF20:
+		return true
+	case KeyF21:
+		return true
+	case KeyF22:
+		return true
+	case KeyF23:
+		return true
+	case KeyF24:
+		return true
 	case KeyHome:
 		return true
 	case KeyInsert:
@@ -554,6 +590,30 @@ func (k Key) String() string {
 		return "F11"
 	case KeyF12:
 		return "F12"
+	case KeyF13:
+		return "F13"
+	case KeyF14:
+		return "F14"
+	case KeyF15:
+		return "F15"
+	case KeyF16:
+		return "F16"
+	case KeyF17:
+		return "F17"
+	case KeyF18:
+		return "F18"
+	case KeyF19:
+		return "F19"
+	case KeyF20:
+		return "F20"
+	case KeyF21:
+		return "F21"
+	case KeyF22:
+		return "F22"
+	case KeyF23:
+		return "F23"
+	case KeyF24:
+		return "F24"
 	case KeyHome:
 		return "Home"
 	case KeyInsert:
@@ -802,6 +862,30 @@ func keyNameToKeyCode(name string) (Key, bool) {
 		return KeyF11, true
 	case "f12":
 		return KeyF12, true
+	case "f13":
+		return KeyF13, true
+	case "f14":
+		return KeyF14, true
+	case "f15":
+		return KeyF15, true
+	case "f16":
+		return KeyF16, true
+	case "f17":
+		return KeyF17, true
+	case "f18":
+		return KeyF18, true
+	case "f19":
+		return KeyF19, true
+	case "f20":
+		return KeyF20, true
+	case "f21":
+		return KeyF21, true
+	case "f22":
+		return KeyF22, true
+	case "f23":
+		return KeyF23, true
+	case "f24":
+		return KeyF24, true
 	case "graveaccent":
 		return KeyGraveAccent, true
 	case "home":

mobile/ebitenmobileview/keys_ios.go

@@ -119,6 +119,18 @@ var iosKeyToUIKey = map[int]ui.Key{
 	99:  ui.KeyNumpadDecimal,
 	100: ui.KeyBackslash,
 	103: ui.KeyNumpadEqual,
+	104: ui.KeyF13,
+	105: ui.KeyF14,
+	106: ui.KeyF15,
+	107: ui.KeyF16,
+	108: ui.KeyF17,
+	109: ui.KeyF18,
+	110: ui.KeyF19,
+	111: ui.KeyF20,
+	112: ui.KeyF21,
+	113: ui.KeyF22,
+	114: ui.KeyF23,
+	115: ui.KeyF24,
 	118: ui.KeyContextMenu,
 	130: ui.KeyCapsLock,
 	131: ui.KeyNumLock,